From: Catalin Marinas <catalin.marinas@arm.com>
To: <stable@vger.kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Subject: [PATCH 4.14] arm64: fix the flush_icache_range arguments in machine_kexec
Date: Thu, 21 May 2020 15:41:35 +0100 [thread overview]
Message-ID: <20200521144135.11616-1-catalin.marinas@arm.com> (raw)
From: Christoph Hellwig <hch@lst.de>
Commit d51c214541c5154dda3037289ee895ea3ded5ebd upstream.
The second argument is the end "pointer", not the length.
Fixes: d28f6df1305a ("arm64/kexec: Add core kexec support")
Cc: <stable@vger.kernel.org> # 4.8.x-
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/kernel/machine_kexec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 11121f608eb5..f7e593965c1d 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -184,7 +184,8 @@ void machine_kexec(struct kimage *kimage)
/* Flush the reboot_code_buffer in preparation for its execution. */
__flush_dcache_area(reboot_code_buffer, arm64_relocate_new_kernel_size);
flush_icache_range((uintptr_t)reboot_code_buffer,
- arm64_relocate_new_kernel_size);
+ (uintptr_t)reboot_code_buffer +
+ arm64_relocate_new_kernel_size);
/* Flush the kimage list and its buffers. */
kexec_list_flush(kimage);
next reply other threads:[~2020-05-21 14:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 14:41 Catalin Marinas [this message]
2020-05-22 0:06 ` [PATCH 4.14] arm64: fix the flush_icache_range arguments in machine_kexec Sasha Levin
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